2020-08-02 22:22:19 +00:00
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/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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2015-04-29 12:13:20 +00:00
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2020-08-02 22:22:19 +00:00
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SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
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2015-04-29 12:13:20 +00:00
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2020-08-02 22:22:19 +00:00
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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2015-04-29 12:13:20 +00:00
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#ifndef KWIN_MOCK_ABSTRACT_CLIENT_H
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#define KWIN_MOCK_ABSTRACT_CLIENT_H
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#include <QObject>
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#include <QRect>
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namespace KWin
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{
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class AbstractClient : public QObject
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{
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Q_OBJECT
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public:
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explicit AbstractClient(QObject *parent);
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Run clang-tidy with modernize-use-override check
Summary:
Currently code base of kwin can be viewed as two pieces. One is very
ancient, and the other one is more modern, which uses new C++ features.
The main problem with the ancient code is that it was written before
C++11 era. So, no override or final keywords, lambdas, etc.
Quite recently, KDE compiler settings were changed to show a warning if
a virtual method has missing override keyword. As you might have already
guessed, this fired back at us because of that ancient code. We had
about 500 new compiler warnings.
A "solution" was proposed to that problem - disable -Wno-suggest-override
and the other similar warning for clang. It's hard to call a solution
because those warnings are disabled not only for the old code, but also
for new. This is not what we want!
The main argument for not actually fixing the problem was that git
history will be screwed as well because of human factor. While good git
history is a very important thing, we should not go crazy about it and
block every change that somehow alters git history. git blame allows to
specify starting revision for a reason.
The other argument (human factor) can be easily solved by using tools
such as clang-tidy. clang-tidy is a clang-based linter for C++. It can
be used for various things, e.g. fixing coding style(e.g. add missing
braces to if statements, readability-braces-around-statements check),
or in our case add missing override keywords.
Test Plan: Compiles.
Reviewers: #kwin, davidedmundson
Reviewed By: #kwin, davidedmundson
Subscribers: davidedmundson, apol, romangg, kwin
Tags: #kwin
Differential Revision: https://phabricator.kde.org/D22371
2019-07-22 16:52:26 +00:00
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~AbstractClient() override;
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2015-04-29 12:13:20 +00:00
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int screen() const;
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bool isOnScreen(int screen) const;
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bool isActive() const;
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bool isFullScreen() const;
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bool isHiddenInternal() const;
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2019-09-27 10:01:10 +00:00
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QRect frameGeometry() const;
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2015-10-11 20:48:29 +00:00
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bool keepBelow() const;
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2015-04-29 12:13:20 +00:00
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void setActive(bool active);
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void setScreen(int screen);
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void setFullScreen(bool set);
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void setHiddenInternal(bool set);
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Rework async geometry updates
Window management features were written with synchronous geometry
updates in mind. Currently, this poses a big problem on Wayland because
geometry updates are done in asynchronous fashion there.
At the moment, geometry is updated in a so called pseudo-asynchronous
fashion, meaning that the frame geometry will be reset to the old value
once geometry updates are unblocked. The main drawback of this approach
is that it is too error prone, the data flow is hard to comprehend, etc.
It is worth noting that there is already a machinery to perform async
geometry which is used during interactive move/resize operations.
This change extends the move/resize geometry usage beyond interactive
move/resize to make asynchronous geometry updates less error prone and
easier to comprehend.
With the proposed solution, all geometry updates must be done on the
move/resize geometry first. After that, the new geometry is passed on to
the Client-specific implementation of moveResizeInternal().
To be more specific, the frameGeometry() returns the current frame
geometry, it is primarily useful only to the scene. If you want to move
or resize a window, you need to use moveResizeGeometry() because it
corresponds to the last requested frame geometry.
It is worth noting that the moveResizeGeometry() returns the desired
bounding geometry. The client may commit the xdg_toplevel surface with a
slightly smaller window geometry, for example to enforce a specific
aspect ratio. The client is not allowed to resize beyond the size as
indicated in moveResizeGeometry().
The data flow is very simple: moveResize() updates the move/resize
geometry and calls the client-specific implementation of the
moveResizeInternal() method. Based on whether a configure event is
needed, moveResizeInternal() will update the frameGeometry() either
immediately or after the client commits a new buffer.
Unfortunately, both the compositor and xdg-shell clients try to update
the window geometry. It means that it's possible to have conflicts
between the two. With this change, the compositor's move resize geometry
will be synced only if there are no pending configure events, meaning
that the user doesn't try to resize the window.
2021-04-30 18:26:09 +00:00
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void moveResize(const QRect &rect);
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2015-10-11 20:48:29 +00:00
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void setKeepBelow(bool);
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2021-04-30 18:06:58 +00:00
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bool isInteractiveResize() const;
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void setInteractiveResize(bool set);
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2016-09-15 19:03:40 +00:00
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virtual void showOnScreenEdge() = 0;
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2015-04-29 12:13:20 +00:00
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Q_SIGNALS:
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void geometryChanged();
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2015-10-11 20:48:29 +00:00
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void keepBelowChanged();
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2015-04-29 12:13:20 +00:00
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private:
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bool m_active;
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int m_screen;
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bool m_fullscreen;
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bool m_hiddenInternal;
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2015-10-11 20:48:29 +00:00
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bool m_keepBelow;
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2019-09-27 10:01:10 +00:00
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QRect m_frameGeometry;
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2017-06-18 11:36:27 +00:00
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bool m_resize;
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2015-04-29 12:13:20 +00:00
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};
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}
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#endif
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